Hi,
i would upgrade my OS from Ubuntu 14.04 to 16.04. But after the first '/opt/psa/bin/distupgrade.helper.ubt14-ubt16.x64.sh' call the resolv.conf is empty and so the second call can not install plesk from autoinstall.plesk.com. (Couldn't resolve host 'autoinstall.plesk.com', retry...)
What...